RPN Calculator 48

Developer: Tom Kerrigan

Category: Tools

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12.7K installs

253 ratings

786 monthly active users

Revenue not available

Install Trends

Monthly +17

Declining

RPN Calculator 48 Summary

RPN Calculator 48 is a mobile iOS app in Tools by Tom Kerrigan. Released in Oct 2009 (16 years ago). It has 253 ratings with a 4.82★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 786 monthly active users . Store metadata: updated Feb 4, 2025.

Store info: Last updated on App Store on Feb 4, 2025 .

SDKs, Trackers & Permissions

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App Details

Store ID: 336580727

First Released: 2009-10-30

Store Last Updated: 2025-02-04

In-App Purchases: No

Ads: No

Website: roamingtrek.com

App Store

Crawl Status: Success

AppGoblin First Crawled: 2022-12-09

AppGoblin Last Crawled: 2026-04-09

Ads & App-Ads.txt

Ads.txt Last Crawled: 2026-03-11

Ads.txt Crawl Status: Success

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4.82★

Ratings: 253

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Screenshots

App Description

RPN Calculator 48 is a polished RPN replacement for Apple's calculator app:

- Same scientific functionality as Apple's calculator app*
- Use swipe gestures to undo and redo operations!
- Starts quickly
- Large buttons
- Easy-to-read display
- 100 entry stack
- 6 memory buttons (A-F)
- 50+ levels of undo/redo
- Saves state on exit

The ergonomics (screen and keyboard layout) of RPN Calculator 48 were inspired by HP's outstanding 48-series calculator.

RPN Calculator 48 is made by the developer of tChess (the critically acclaimed iPhone chess game) and Learn Chess (the Apple Staff Favorite e-book).

* This app is not an HP 48 emulator.